Disease incidence and severity were significantly ( ) reduced as the concentration of the botanical extracts increased. In addition, increasing botanical extract concentration significantly ( ) increased peroxidase (PОD), phenylalanine ammonia lyse (PAL), and polyphenol oxidase (PPO) activity. Increasing concentration of the botanical extracts significantly ( ) reduced radial growth and increased percent inhibition of P. esculentum were assessed in the in vivo experiment. on defence enzymes, disease incidence, disease severity, and yield parameters of S. In addition, the efficacy of different extract concentrations of M. camara on percent inhibition and radial growth were evaluated in the laboratory. The effect of acetone, ethyl acetate, and water extracts of M. (sensu lato) (lantana) extracts as biofungicides on late blight development on S. As such, a study was carried out at the University of Zimbabwe, Department of Plant Production Sciences and Technologies, between August 2018 and May 2019 to evaluate the efficacy of Moringa oleifera Lour. infestans has advanced and complex enzymes and effecter molecules coded by avirulence genes. The control of late blight is difficult because P. (tomato) as a result, it makes the pathogen one of the most devastating plant diseases across the world. Late blight is caused by Phytopthora infestans (Mont.) de Bary which establishes quickly in Solanum esculentum L.
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